Senior Technical Solutions Architect role - W2- Alpharetta, GA

Position Overview

We are looking for a Hands-On Senior Technical Solutions Architect who can design, build, and own scalable fintech systems. This is not a pure architecture/review role the candidate is expected to actively contribute to coding, prototyping, debugging, and production support.

The ideal candidate has strong experience in high-throughput payment platforms, preferably from organizations such as Visa, Stripe, or similar fintech/payment processors.

We are specifically looking for someone who:

• Codes regularly (not just diagrams architecture)

• Has built real payment systems at scale

• Can own systems from design development production

• Brings deep fintech/payment experience (Visa/Stripe-like environments)

Key Responsibilities

Architecture + Hands-On Development

• Design end-to-end architecture for payment processing systems, merchant platforms, and transaction services

• Actively contribute to code development (30 50%):

• Build microservices and APIs

• Develop integration layers and event-driven services

• Create POCs and reference implementations for critical components

System Design & Scalability

• Architect low-latency, high-availability systems handling millions of transactions

• Design:

• Event-driven architectures (Kafka / streaming)

• Distributed systems with fault tolerance and resiliency

• Solve performance bottlenecks and scalability challenges

Payments & Fintech Domain

• Deep understanding of:

• Card transaction lifecycle (Auth, Clearing, Settlement)

• Merchant acquiring and payment gateways

• Work with payment message formats:

• ISO 8583

• Integrate with:

• Card networks

• Payment processors

• Banking/core systems

Technical Leadership

• Lead engineering teams with architecture guidance + hands-on support

• Conduct code reviews and enforce best practices

• Mentor developers on:

• System design

• Performance optimization

• Secure coding

Cloud & DevOps

• Design and implement solutions on AWS

• Work with:

• Containers (Docker, Kubernetes)

• CI/CD pipelines

• Implement observability:

• Logging, monitoring, tracing

Data & Integration

• Design data models and optimize databases (SQL/NoSQL)

• Build APIs and integration patterns:

• REST / gRPC

• Event streaming

• Handle real-time and batch processing pipelines

Production & Reliability

• Participate in production troubleshooting and incident resolution

• Ensure:

• System resiliency

• High availability

• Disaster recovery readiness

Required Qualifications

• 10+ years of experience in software engineering / architecture roles

Strong hands-on experience with:

• Java / Spring Boot (preferred) or similar backend stack

• Microservices architecture

• Distributed systems

• Proven experience in fintech / payments domain, preferably with:

• Visa

• Stripe

• Mastercard, PayPal, Adyen, etc.

• Experience with:

• ISO 8583

• Payment gateways and processors

• Strong experience with AWS cloud services

• Solid understanding of:

• System design

• Performance tuning

• Security best practices

Preferred Qualifications

• Experience with Fiserv platforms or similar processors

• Knowledge of:

• Fraud detection systems

• Tokenization and digital wallets

• Experience with:

• Kafka or event streaming platforms

• Kubernetes orchestration

Key Skills

• Hands-On Architecture & Development

• Distributed Systems & Microservices

• Payments Domain Expertise

• Cloud Architecture (AWS)

• API & Integration Design

• Performance Optimization